Pressure switch



FIG. 1 is a perspective view of a pressure switch showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a perspective view of the pressure switch where the pressure switch is in a first configuration of use;

FIG. 10 is another perspective view of the pressure switch where the pressure switch is in a second configuration of use; and,

FIG. 11 is an enlarged view of portion 11 shown in FIG. 1.

The broken lines in the drawings depict portions of the pressure switch that form no part of the claimed design. 

CLAIM The ornamental design for a pressure switch, as shown and described. 